* {
    box-sizing: border-box;
}

body {

    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    background: #f2e9d4;
}

a {
    text-decoration: None;
    color:white;
}

body > * + * {
    margin-top: 2rem;
}

button {
    --bow: 45;
    --bow-color: hsla(var(--bow), 80%, 70%, 0.95);
    --spread: 8;
    padding: 1rem 4rem 1rem 2rem;
    font-family: sans-serif;
    color: #fff;
    font-size: 1.5rem;
    font-weight: bold;
    border-radius: 0.5rem;
    box-shadow: 0 calc(var(--spread, 0) * 1px) calc(var(--spread, 0) * 2px) calc(var(--spread, 0) * -1px) hsl(var(--hue, 280), 70%, 20%);
    background: linear-gradient(var(--bow-color), var(--bow-color)) 50% 14% / 100% 10% no-repeat, linear-gradient(var(--bow-color), var(--bow-color)) 85% 50% / 5% 100% no-repeat;
    background-color: hsl(var(--hue, 280), 70%, var(--lightness, 50%));
    transition: box-shadow 0.1s, background-color 0.1s;
    border: hsl(var(--hue, 280), 50%, 50%) solid 4px;
    outline: transparent;

}

button:hover {
    --lightness: 40%;
}

button:active {
    --lightness: 20%;
    --spread: 0;
}

button:nth-child(1) {
    --hue: 280;
    --bow: 40;
}

button:nth-child(2) {
    --hue: 180;
    --bow: 10;
}

button:nth-child(3) {
    --hue: 10;
}